Add docstrings to __init__.py

Author: kysolvik

dabench/__init__.py

@@ -1 +1,2 @@
+"""DataAssimBench"""
 from . import data, model, observer, obsop, dacycler, _suppl_data

dabench/dacycler/__init__.py

@@ -1,3 +1,5 @@
+"""Data Assimilation cyclers"""
+
 from ._dacycler import DACycler
 from ._var3d import Var3D
 from ._etkf import ETKF

dabench/data/__init__.py

@@ -1,3 +1,4 @@
+"""Data generators and downloaders"""
 from ._data import Data
 
 from ._lorenz63 import Lorenz63

dabench/model/__init__.py

@@ -1,3 +1,4 @@
+"""Model classes"""
 from ._model import Model
 from ._rc import RCModel
 

dabench/observer/__init__.py

@@ -1,3 +1,4 @@
+"""Observer module"""
 from ._observer import Observer
 
 __all__ = [